Geodesic
Hyperbola and biquadratic equations
Matematičeskoe obrazovanie, Tome 85 (2018) no. 1, pp. 5-9.

Voir la notice de l'article provenant de la source Math-Net.Ru

Geometric basis of solving biquadratic equations is analyzed.
Keywords: hyperbola, biquadratic equation, geometric sense of the solution of a biquadratic equation. 
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     author = {E. G. Smoljanova and N. V. Malyshkina},
     title = {Hyperbola and biquadratic equations},
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E. G. Smoljanova; N. V. Malyshkina. Hyperbola and biquadratic equations. Matematičeskoe obrazovanie, Tome 85 (2018) no. 1, pp. 5-9. http://geodesic.mathdoc.fr/item/MO_2018_85_1_a1/